The ornamental design for a photodisplayassembly, as shown and described.
FIG. 1 is a front elevational view of the photo display assembly showing my new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a perspective view thereof.
The broken lines in the figures are to show environment and form no part of the claimed design. Shading lines are included in various views to depict that the panes in the photo display assembly are transparent.